12=3x-(2+x)

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Solution for 12=3x-(2+x) equation: 



12=3x-(2+x)

We move all terms to the left:

12-(3x-(2+x))=0

We add all the numbers together, and all the variables

-(3x-(x+2))+12=0



We calculate terms in parentheses: -(3x-(x+2)), so:

3x-(x+2)

We get rid of parentheses

3x-x-2

We add all the numbers together, and all the variables

2x-2

Back to the equation:

-(2x-2)



We get rid of parentheses

-2x+2+12=0

We add all the numbers together, and all the variables

-2x+14=0

We move all terms containing x to the left, all other terms to the right

-2x=-14

x=-14/-2

x=+7

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